The Francis and Abbie Solon House is a historic house located at 503 South State Street in Champaign, Illinois. Developer William Barrett built the house for himself in 1867. Architect Seeley Brown designed the house in the Tuscan Villa subtype of the Italianate style. The house features a wraparound front porch with chamfered columns and an entablature and frieze with decorative brackets and a central arch, all distinctive elements of the Italianate style. A square cupola with similar bracketing rises from the center of the house's flat roof; this roof structure, along with the house's symmetrical plan, is a defining element of the Tuscan Villa form. Barrett sold the house to Abel Harwood and his family in 1869; the Harwood family owned the house until 1907, when they sold it to Francis a